content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ----------------------
   * XYBarDatasetTests.java
   * ----------------------
   * (C) Copyright 2007, 2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 25-Jan-2007 : Version 1 (DG);
   * 22-Apr-2008 : Added testPublicCloneable (DG);
   *
   */
  
  package org.jfree.data.xy;
  
  import org.jfree.chart.util.PublicCloneable;
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Some tests for the {@link XYBarDataset} class.
   */
  public class XYBarDatasetTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          DefaultXYDataset d1 = new DefaultXYDataset();
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          d1.addSeries("S1", data1);
          DefaultXYDataset d2 = new DefaultXYDataset();
          double[] x2 = new double[] {1.0, 2.0, 3.0};
          double[] y2 = new double[] {4.0, 5.0, 6.0};
          double[][] data2 = new double[][] {x2, y2};
          d2.addSeries("S1", data2);
  
          XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
          XYBarDataset bd2 = new XYBarDataset(d2, 5.0);
          assertEquals(bd1, bd2);
          assertEquals(bd2, bd1);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          DefaultXYDataset d1 = new DefaultXYDataset();
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          d1.addSeries("S1", data1);
          XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
          XYBarDataset bd2 = (XYBarDataset) bd1.clone();
          assertNotSame(bd1, bd2);
          assertSame(bd1.getClass(), bd2.getClass());
          assertEquals(bd1, bd2);
  
          // check independence
          d1 = (DefaultXYDataset) bd1.getUnderlyingDataset();
          d1.addSeries("S2", new double[][] {{1.0}, {2.0}});
          assertFalse(bd1.equals(bd2));
          DefaultXYDataset d2 = (DefaultXYDataset) bd2.getUnderlyingDataset();
          d2.addSeries("S2", new double[][] {{1.0}, {2.0}});
          assertEquals(bd1, bd2);
      }
  
      /**
       * Verify that this class implements {@link PublicCloneable}.
       */
      @Test
      public void testPublicCloneable() {
          DefaultXYDataset d1 = new DefaultXYDataset();
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          d1.addSeries("S1", data1);
          XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
          assertTrue(bd1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          DefaultXYDataset d1 = new DefaultXYDataset();
          double[] x1 = new double[] {1.0, 2.0, 3.0};
          double[] y1 = new double[] {4.0, 5.0, 6.0};
          double[][] data1 = new double[][] {x1, y1};
          d1.addSeries("S1", data1);
          XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(bd1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          XYBarDataset bd2 = (XYBarDataset) in.readObject();
              in.close();
  
          assertEquals(bd1, bd2);
      }
  
  }
  